diff options
Diffstat (limited to 'tests/resolver.py')
| -rw-r--r-- | tests/resolver.py | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/tests/resolver.py b/tests/resolver.py new file mode 100644 index 0000000..1ca8047 --- /dev/null +++ b/tests/resolver.py @@ -0,0 +1,83 @@ +# Copyright (C) 2003, 2004 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +# $Id: resolver.py,v 1.4 2004/03/19 00:17:27 halley Exp $ + +import cStringIO +import sys +import time +import unittest + +import dns.name +import dns.message +import dns.name +import dns.rdataclass +import dns.rdatatype +import dns.resolver + +resolv_conf = """ + /t/t +# comment 1 +; comment 2 +domain foo +nameserver 10.0.0.1 +nameserver 10.0.0.2 +""" + +message_text = """id 1234 +opcode QUERY +rcode NOERROR +flags QR AA RD +;QUESTION +example. IN A +;ANSWER +example. 1 IN A 10.0.0.1 +;AUTHORITY +;ADDITIONAL +""" + +class ResolverTestCase(unittest.TestCase): + + if sys.platform != 'win32': + def testRead(self): + f = cStringIO.StringIO(resolv_conf) + r = dns.resolver.Resolver(f) + self.failUnless(r.nameservers == ['10.0.0.1', '10.0.0.2'] and + r.domain == dns.name.from_text('foo')) + + def testCacheExpiration(self): + message = dns.message.from_text(message_text) + name = dns.name.from_text('example.') + answer = dns.resolver.Answer(name, dns.rdatatype.A, dns.rdataclass.IN, + message) + cache = dns.resolver.Cache() + cache.put((name, dns.rdatatype.A, dns.rdataclass.IN), answer) + time.sleep(2) + self.failUnless(cache.get((name, dns.rdatatype.A, dns.rdataclass.IN)) + is None) + + def testCacheCleaning(self): + message = dns.message.from_text(message_text) + name = dns.name.from_text('example.') + answer = dns.resolver.Answer(name, dns.rdatatype.A, dns.rdataclass.IN, + message) + cache = dns.resolver.Cache(cleaning_interval=1.0) + cache.put((name, dns.rdatatype.A, dns.rdataclass.IN), answer) + time.sleep(2) + self.failUnless(cache.get((name, dns.rdatatype.A, dns.rdataclass.IN)) + is None) + +if __name__ == '__main__': + unittest.main() |
